Vitamin D Supplementation Reduces Depressive Symptoms in Subjects with Major Depressive Disorder

Written by Taylor Woosley, Staff Writer. Significant findings of this systemic review and meta-analysis of 41 papers with a total of 53,235 participants show that subgroup analysis in participants with clinically relevant depressive symptoms (including subjects with MDD) yielded a moderate effect favoring vitamin D supplementation (Hedges’ g = −0.604, 95% CI −0.802 to −0.406, p < 0.001, I2 = 78.4%).  (more…)

Deficient or Insufficient Vitamin D Levels Associated with Depressive Symptoms in Older Adults

Written by Taylor Woosley, Staff Writer. Results of the study show that deficient and insufficient levels of serum 25-OH-D are associated with higher depression scores. The odds of a higher depression score were significantly higher in participants with insufficient 25-(OH)-D than in participants with 25-OH-D sufficiency (OR = 6.40, p < 0.001).  (more…)

Petting Dogs and Cats Reduces Cortisol Levels in University Students

Written by Joyce Smith, BS. This study explores the health benefits of employing animal visitation programs to reduce college student stress, anxiety and depression and concludes that human animal interactions reduce stress as shown by a significant reduction in the salivary cortisol levels of study participants.  (more…)